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The first step is to even determine how the adapter was assembled, since it has no visible screws.

The grey plastic surrounding the dock connector seems to be an insert. Some aggressive prying with a metal spudger caused it to come loose, but not without significantly damaging the plastic housing itself.

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Other considerations aside, the epoxy is quite brittle. Once the plastic casing was cut back far enough that it could be flexed away from the epoxy blobs, the epoxy bond readily cracked and fragmented.

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Finally, the bottom of the interface board. Of interest, what appears to be a small DC-DC converter of unknown purpose. The iPad only supplies 3.3v. For the USB camera connection adapter, a DC-DC converter is required to provide the 5V to run USB devices. However, SD cards run natively on 3.3v, leaving the purpose of the DC-DC a mystery.

No. The form-factor of the two converters are different enough that I have trouble thinking they use the same PCB. Also, since there is no need for 5V on this board, it's more likely the DC-DC is used for generating a lower voltage to run the ICs on the interface. If it was only for 5V, it would likely be unpopulated, since it's not needed in this context.

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